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Criterion
Gap Analysis method illustration showing its working structure
Business Strategy
GAP Analysis
Paper illustration for Communication Plan
Delivery
Communication Plan
Paper illustration with architecture components and concrete change tasks for comparison.
Architecture
SAAM (Software Architecture Analysis Method)
Paper illustration: scenarios and architectural decisions are connected to identified risks.
Architecture
ATAM (Architecture Tradeoff Analysis Method)
Purposedifferent
GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing.When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost.SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning.ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation.
Complexitydifferent
MediumLowHighHigh
Timedifferent
1-3 h45-90 minPreparation, scenario analysis, and findings review; effort depends on scopeSeveral meetings plus preparation and analysis; total effort depends on scope
Participantsdifferent
2-82-6Architecture experts and stakeholders for scenarios and weightingEvaluation team, architects, and relevant stakeholders
Formatsame
Workshop + asyncWorkshop + asyncWorkshop + asyncWorkshop + async
Outputdifferent
Gap Matrix, Action Plan, Risk NotesCommunication Plan, Channel Matrix, Message CadenceDomain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternativesPrioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations
Tagsno overlap
StrategyAnalysisPlanning
CommunicationStakeholdersDeliveryPlanning
ArchitectureChangeAnalysisComparisonQuality
ArchitectureQualityRiskTradeoffsStakeholders
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